<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .content{
            width: 100%;
            height: 100%;
            text-align: center;
        }
        .title{
            letter-spacing: 20px;
            color: green;
            font-size: 50px;


        }
        .text{
            letter-spacing: 10px;

        }
    </style>
</head>
<body>
<div class="content">
    <p class="title">你好管理员！</p>
    <p class="text">请开始你的操作！</p>
</div>

</body>
</html>